Ключевые слова: action, adrenaline, athlete, bicycle, bike, biker, challenge, competition, cross, cycle, cyclist, cyclist bike, descend, descent, dirt, downhill, evolution, extreme, extreme sport, fletching, full suspension, fun, grass, gravity, helmet, holidays, jump, man, mountain, mountain bike, mtb, outdoor, outdoors, protections, race, racer, ramp, retro, rider, soaring, specialty, speed, sport, sportsman, summer, track, trail, training, trick, vintage,